Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930872 | Drive system for a flail mower | Bart L. Trevillyan, Tom Kotas, Allen C Larson | 2011-04-26 |
| 7914431 | Self-cleaning mower ground roller assembly mounting system | Bart L. Trevillyan, Mark A. Otten, Allen C Larson | 2011-03-29 |
| D562357 | Disk for rotary mower knives | — | 2008-02-19 |
| 4557323 | Heat exchanger and method of making same | Harold D. Sealey | 1985-12-10 |